(856) Backlunda Main-belt Asteroid
Discovered on 3 April 1916 by S. Beljavskij at Simeis.
Where Backlunda is today
Seen from above the solar system on 2026-10-14: Backlunda is 2.18 au from the Sun and 3.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 856 |
| Provisional designation | A916 GQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 45.4 km (#848 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0450 |
| Rotation period | 12.1 hours |
| Spectral type | C |
| Absolute magnitude (H) | 10.9 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.15 – 2.72 au |
| Eccentricity | 0.118 |
| Inclination | 14.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.